Picture-frame vise



A. 1. WHITE.

PICTURE FRAME VISE.

APPLICATION FILED. JAN. 28, 1920.

1,393,059. Patented Oct. 11, 1921.

l J .J

UNITED STATES PATENTVIOFFICE.

ALBERT JAMES WHITE, or roEoN'r 'oNrAnio, CANADA.-

PIQTUREPFRAME vIsE.

Specification of Letters Patent.-

Patented Oct. 11, 1921.

Application filed January 28. 1920. Serial No. 354,706.

ture frames and greatly reducing the cost of production, enabling a workman to accomplish more work andto do it in a more effective manner and to devise a form of vise which is readily adaptable for handling various sizes of work and which will enable the operator to work without fatigue.

The principal feature of the invention consists in the novel construction of the vise head whereby the sides of the frame to be joined are properly positioned and whereby said sides are held by a movable member adapted to engage both of the sides simultaneously.

In the drawings,

Figure 1 is a front side perspective view of the device showing-the manner of locatin a frame therein.

Fig. 2 is a back elevational view.

Fig. 3 is a transverse section on the line 2-2 of Fig. 2.

Fig. 4 is an enlarged elevational view of the vise head and holding block.

In the manufacture of picture frames considerable time is lost in the workman holding the mitered ends together for nailing and much difficulty is experienced in holding the ends true. Various devices have been used to assist in this'work but the best results obtained have been, up to the present, unsatisfactory.

In the device herein shown, the vise head 1 is formed with a flat perpendicular face 2 and at the top is provided with projecting flanges 3 arranged at an angle of 135 with the sides, such flanges being therefore arranged in right angular relation to each other. The flanges do not, however, meet at the top and the frame moldings when placed against the under sides of these flanges project through the opening 4 at the upper end of the flanges and they are thus open and free of accessto the work In orderto hold the frame molding in position in snug contact with the underside of the flanges 3, a squared block 5 is supportedaupon a pin 6 and the pin extends through a vertical slot 7 in the head 1, consequently when the-pin ,is moved upwardly in the head the block will be brought into contact with the under side of the moldmg.

In order to provide for slight inequalities in the thickness of the moldings, the

hole 8 in the block is larger than the pin thus allowing the block to center itself against the underside of the frame as is shown particularly in Fig. 4. The head is formed with a longitudinal slot 9 in the rear side and in this slot is arranged a slidable rod 10, in the upper end of which the pin 6- is secured. This rod is operated by'means of a foot lever 11 pivotally supported upon a lug 12 arranged upon the base 13,

It is preferable that the vise head be adjustable inheight to suit the workman and in order to accomplish this result I have shown the base 13 in the form of a longitudinally slotted casing into which the rectangular stem 14 of the head extends. This stem slides in the hollow base and is suitably gripped in any desirable position, the gripping means being here shown as a cam lever 15 pivotally supported in the lugs 16 arranged at one side of the base.

The flat rod 10 is slidably held in a longitudinal groove 17 in the back of the base andthe operating lever 11 is formed with a slot 18 engaging the pin 19 in said rod.

A coil spring 20 is preferably secured to the pin 19 to draw the rod downwardly when the pressure on the foot lever is re leased to withdraw the block 5 out of engagement with the frame being built. The rod 10 must of course be made adjustable to suit the change in the height of the vise head and it is divided in its length, having a longitudinal slot 21 formed in the upper portion through which a bolt 22 with an adjustable nut extends.

In the use of this device, the operator slips the two mitered portions to be joined underneath the flanges 3 and pressure of the foot brings the block 5 into engagement with the under side of same, clamping it tightly in position when the brads may be driven to secure the members together. All four corners of the frame may be thus assembled in a very rapid manner leaving the operator with both hands free.

The device always insures a properly squared joint and holds the frame bsolutely farther apart at the top of the vise.

W hat I claim as my invention is 1. A picture frame vise comprising,a headhavinga flat face and apair of flanges projecting from said face and arranged in right angular relation one to the other and spaced apart, and a block adapted to be moved into engagement with the molding to hold it against said flanges, said block being suported so asto automatically adjust itself aterally to any inequality of Width of moldln Q 3. A picture frame vise', comprising, a head having a fiat face and projecting angularly disposed flanges spaced apart, a pin slidably. arranged in said headaand a rectangular block loosely mounted on said pin and adapted to hold the frame molding against said flanges.

3. A\ picture frame v se c'ompr1s1ng,ra

head having a fiat face and projecting angularly disposed flanges spaced apart, a sliding member supported in said headand having a pin projecting therefrom, and a rectangular-block having a hole therein of? I larger diameter than said-pin, said pin extending into said hole.

ALBERT JAMES WHITE; 

